half-ray

noun

A ray, or half-line.

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Meanings

nounhalf-ray (plural half-rays)

plural half-rays

  1. geometryA ray, or half-line.

Origin

From half- + ray.

Full word history & related roots →
Cite this entry
APA

half-ray. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/half-ray

MLA

“half-ray.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/half-ray. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “half-ray,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/half-ray.

Source: half-ray on Wiktionary, CC BY-SA 4.0.